I don't think that's good to hear at all. In fact that's very discouraging to me.
Haven't we just gone through multiple years of our various head coaches leaning heavily on our top 6 players to kill penalties? In most cases this was one area where you couldn't even really blame them for doing so as the bottom 6 was so weakly constructed that they had no better options.
It was part of the pattern of the team wearing down come stretch time every year. You're tiring your point-producers out killing penalties as the season goes along while the depth players stay stapled to the bench during special teams play. Ideally your PKers would be drawn mostly from the bottom lines where they could spread out the burden. The marginal benefit of a higher shorthanded goal scoring rate is not worth what I think is the attendant decrease in even strength effectiveness from those players.
Leaning too heavily on star offensive players to kill penalties is counter-productive. I don't see this as a complete either/or situation though. If you look around the league almost every team has one or two "star" forwards who sit in the 1:20-2:00 SH/TOI range. Guys who fall into this category without seeing their stats go completely to hell include: Backstrom, Stepan, Kopitar, Datsyuk, Zetterberg, Toews, Hossa, Bergeron, Getzlaf, Marleau, Pavelski, M. Koivu, Parise, and the list goes on.
I don't think your best offensive forwards should be your 2+ minute/gm guys but I don't agree with the philosophy of bottom six players killing penalties while top six players score. It helps keep your best players involved in those games that are completely bogged down by penalties as well as giving ownership of all facets of the game to your best players.
To me, saying you don't want your best players to kill penalties is like saying you don't want your ace pitcher to go past 6-7 innings in order to keep him fresh throughout the season.